diff --git a/core-java/src/test/java/com/baeldung/string/StringTest.java b/core-java/src/test/java/com/baeldung/string/StringTest.java
index 324f4690fc..5bb4de27ee 100644
--- a/core-java/src/test/java/com/baeldung/string/StringTest.java
+++ b/core-java/src/test/java/com/baeldung/string/StringTest.java
@@ -38,7 +38,7 @@ public class StringTest {
     }
 
     @Test
-    public void whenGetBytesUsingUTF16_thenCorrect() {
+    public void whenGetBytesUsingASCII_thenCorrect() {
         byte[] byteArray = "efgh".getBytes(StandardCharsets.US_ASCII);
         byte[] expected = new byte[] { 101, 102, 103, 104 };
 
@@ -155,6 +155,13 @@ public class StringTest {
 
         String[] result = s.split("*");
     }
+    
+    @Test
+    public void whenCallSubSequence_thenCorrect() {
+        String s = "Welcome to Baeldung";
+
+        assertEquals("Welcome", s.subSequence(0, 7));
+    }
 
     @Test
     public void whenCallSubstring_thenCorrect() {